Table 3. Outcomes after endobronchial valves treatment.
| Variable | All | Post-operative | Primary spontaneous pneumothorax | Secondary spontaneous pneumothorax | Iatrogenic | P Value |
|---|---|---|---|---|---|---|
| Number | 67 | 36 | 2 | 23 | 6 | |
| Resolution of air-leaks | ||||||
| Complete | 59 (88%) | 33 (56%) | 2 (3%) | 18 (31%) | 6 (10%) | 0.30 |
| Moderate | 6 (9%) | 2 (33%) | – | 4 (67%) | – | 0.34 |
| Persistence | 2 (3%) | 1 (50%) | – | 1 (50%) | – | 0.94 |
| Additional treatments after valve implant | 8 (12%) | |||||
| Additional valve + blood-patch | 1 (12.5%) | – | – | 1 (100%) | – | 0.58 |
| Blood patch | 2 (25%) | 1 (50%) | – | 1 (50%) | – | 0.94 |
| Pneumoperitoneum | 4 (50%) | 1 (25%) | – | 3 (75%) | – | 0.36 |
| Surgery | 1 (12.5%) | 1 (100%) | – | – | – | 0.83 |
| Time from valve placement to chest drainage removal (days) | 7.3±2.7 | 7.9±1.8 | 3.5±0.7 | 7.1±1.1 | 4.1±0.4 | 0.16 |
| Time from valve placement to discharge (days) | 9.7±2.8 | 9.9±2.3 | 4.5±0.7 | 8.4±2.1 | 5.5±1.3 | 0.17 |